function changeImage(fileBrowser,image) {
	function readFileFirefox(fileBrowser) { //FF浏览器
		try {
			netscape.security.PrivilegeManager
					.enablePrivilege("UniversalXPConnect");
		} catch (e) {
			return;
		}

		var fileName = fileBrowser.value;
		var file = Components.classes["@mozilla.org/file/local;1"]
				.createInstance(Components.interfaces.nsILocalFile);
		try {
			file.initWithPath(fileName.replace(/\//g, "\\\\"));
		} catch (e) {
			if (e.result != Components.results.NS_ERROR_FILE_UNRECOGNIZED_PATH)
				throw e;
			return;
		}
		if (file.exists() == false)
			return;
		return file.path;
	}

	function readFileIE(fileBrowser) { //IE浏览器，可直接获取上传文件路径
		return fileBrowser.value;
	}

	var path = "";
	if (navigator.userAgent.indexOf("MSIE") != -1)
		path = readFileIE(fileBrowser);
	else if (navigator.userAgent.indexOf("Firefox") != -1
			|| navigator.userAgent.indexOf("Mozilla") != -1)
		path = readFileFirefox(fileBrowser);
	if (path != "") {
		document.getElementById(image).style.backgroundImage = "url(" + path + ")";
	}
}